/*
 张三: 负责编写main函数
*/

#include "lisi.h"
#include <stdio.h>

int main() {
    
    int a = 10;
    int b = 11;
    
    long result = sum(a,b);
    printf("%d+%d=%ld\n",a,b,result);
    
    int result2 = minus(a , b);
    printf("%d+%d=%d\n",a,b,result2);

    
    
    
    return 0;
}